@misc{indiciae3eedb808e967,
  title = {AMPA experimental communications systems},
  author = {Beckerman, D. and Fass, S. and Keon, T. and Sielman, P.},
  year = {1982},
  url = {https://ntrs.nasa.gov/citations/19820018652},
  note = {Source identifier: 19820018652}
}